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jwtsecurityauthentication

JWT Security Vulnerabilities and Best Practices in Production Systems

A deeply technical, production-focused guide to JWT security vulnerabilities, attack vectors, and best practices for designing, validating, and operating secure token-based authentication systems.

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Sumit

Full Stack MERN Developer

Building developer tools and SaaS products

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Sumit is a Full Stack MERN Developer focused on building reliable developer tools and SaaS products. He designs practical features, writes maintainable code, and prioritizes performance, security, and clear user experience for everyday development workflows.

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jwtsecurityauthentication

JWT Security Vulnerabilities and Best Practices in Production Systems

A deeply technical, production-focused guide to JWT security vulnerabilities, attack vectors, and best practices for designing, validating, and operating secure token-based authentication systems.

Jul 20, 2024

8 min read

vpn detectionproxy detectiontor detection

How to Detect VPN, Proxy, and Tor Traffic Using IP Intelligence: A Production-Grade Engineering Guide

A deeply technical, production-ready guide for detecting VPNs, proxies, and Tor traffic using IP intelligence, ASN analysis, behavioral heuristics, and scalable backend architecture.

Jul 20, 202410 min read

ip extractionnetworkingsecurity

Accurate Client IP Extraction in Modern Architectures: Proxies, CDNs, and Zero-Trust Networking

A deeply technical guide to reliably extracting the real client IP across proxies, CDNs, and microservices, including header validation, trust boundaries, and production-ready implementations.

Jun 22, 202410 min read

regexpattern matchingperformance optimization

Advanced Regex Tester Use Cases: Production-Grade Pattern Engineering for Modern Systems

A deep technical guide to advanced regex tester use cases, covering engine behavior, performance optimization, security risks, and real-world applications in high-scale systems.

Jun 18, 202412 min read

securitypdf generationai systems

Secure and Compliant PDF Generation in AI Systems: Threat Modeling, Sandboxing, and Data Protection

A deep technical guide to securing AI-driven PDF generation systems with threat modeling, sandboxed rendering, data protection, and compliance best practices.

Jun 10, 202410 min read

bcryptnodejssecurity

How To Hash Passwords in Node.js: Bcrypt vs Crypto

A production-grade comparison of bcrypt and Node.js crypto for password hashing, covering security guarantees, architectural trade-offs, performance considerations, and real-world implementation patterns.

Jun 5, 20248 min read

regex performanceregex optimizationdeveloper tools

Regex Performance Optimization: Eliminating Backtracking Bottlenecks in High-Scale Systems

A deep technical guide for senior engineers on optimizing regex performance, eliminating catastrophic backtracking, and designing safe, scalable pattern systems.

May 20, 20249 min read

jwtauthenticationsessions

JWT vs Sessions: Choosing the Right Authentication Strategy for Scalable Systems

A deep technical comparison of JWT and session-based authentication. Learn trade-offs, scalability impacts, security considerations, and when to use each approach in production systems.

May 10, 20249 min read

regex testerregular expressionsdeveloper tools

Regex Tester: A Production-Grade Guide to Regular Expression Engineering, Debugging, and Performance Optimization

Master regex engineering with a production-ready regex tester. Learn deep internals, performance optimization, security pitfalls, and real-world debugging strategies used by senior engineers.

Apr 12, 202410 min read

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